\
Substitute
in rate of change formula.
\
\
(
Subtract:
)
\
(Subtract
:
)
\
The rate of change represented in the table is
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a726f2bf54b38496d5b5c30b3859750.png\")
in rate of change formula.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=50a6539109460a4e5f94a54681487f8f.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3c068e9958fac0160f0ffc401b7db3d9.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d29cec65cc1b52948452e5aa830b873d.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ce674ca88e943aa8e5a360d02b1f398b.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d222ce4b048c0ce50e6e9ba5ecc365fe.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1a423a94b88e13fcf85d00c7e09e3233.png\")
.